<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>网页设计</title>
<meta charset="utf-8">
<style>
* {
  box-sizing: border-box;
}

body {
  margin: 0;
}
.column {
  float: left;
  width: 100%;
}
/* 头部样式 */
.header {
  background-color:grey;
  padding: 10px;
  text-align: center;
  color: white;
}

/* 导航条 */
.topnav {
  overflow: auto;
  background-color: #333;
}
 
/* 导航链接 */
.topnav a {
  float: left;
  display: block;
  color: white;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
}
.topnav a.active {
    background-color: #4CAF50;
    color: white;
    border-radius: 25px;
}

/* 链接 - 修改颜色 */
.topnav a:hover:not(active) {
  background-color: #ddd;
  color: black;
  border-radius: 25px;
}
/* 文章卡片效果 */

.dropdown-content {
    display: none;
    position: absolute;
    background-color: #f9f9f9;
    min-width: 160px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
    border-radius: 25px;
}
.dropdown-content a {
    color: black;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
}
.dropdown-content a:hover {background-color: #f1f1f1}

.dropdown:hover .dropdown-content {
    display: block;
}
table {
    border-collapse: collapse;
}

table, td, th {
    border: 1px solid black;
}
body {background-color:#b0c4de;}
.footer {
  background-color: #f1f1f1;
  padding: 10px;
  text-align: center;
}
</style>
</head>
<body>

<div class="header">
  <h1>
    狗狗之家</h1>
    <img src="https://uploadfile.huiyi8.com/2018/af/6c/66/35/412054.jpg" alt="狗狗大全" width="200" height="200">
</div>
 
<div class="topnav">
    <a  href="file:///C:/Users/%E5%BE%90%E4%BA%9A%E8%B1%AA/Desktop/runoob/runoob.html">首页</a>
    <a href="file:///C:/Users/%E5%BE%90%E4%BA%9A%E8%B1%AA/Desktop/runoob/Untitled-1.html">狗狗大全</a>
    <div class="dropdown">
        <a class="active" href="file:///C:/Users/%E5%BE%90%E4%BA%9A%E8%B1%AA/Desktop/runoob/Untitled-2.html">狗粮</a>
                <div class="dropdown-content">
            <a href="file:///C:/Users/%E5%BE%90%E4%BA%9A%E8%B1%AA/Desktop/runoob/%E6%B3%A8%E6%84%8F%E4%BA%8B%E9%A1%B9.html">狗粮选择注意事项</a>
            <a href="file:///C:/Users/%E5%BE%90%E4%BA%9A%E8%B1%AA/Desktop/runoob/Untitled-1.html">十大狗粮</a>
          </div>
        </div>

    <a  href="file:///C:/Users/%E5%BE%90%E4%BA%9A%E8%B1%AA/Desktop/runoob/Untitled-3.html">狗狗日常用品</a>
  </div>
 <h3>十大狗粮</h3>
  <table>
    <tr>
      <th>产品</th>
      <th>粗蛋白</th>
      <th>粗脂肪</th>
      <th>粗纤维</th>
      <th>备注</th>
      <th>价格</th>
    </tr>
    <tr>
        <th>豆柴</th>
        <th>≥29%</th>
        <th>	≥15%</th>
        <th>≤9%</th>
        <th>主要肉类为鸡肉，牛肉</th>
        <th>38元/kg</th>
      </tr>
      <tr>
        <th>LEGEND SANDY</th>
        <th>1</th>
        <th>1</th>
        <th>1</th>
        <th>1</th>
        <th>1</th>
        <tr>
            <th>1</th>
            <th>1</th>
            <th>1</th>
            <th>1</th>
            <th>1</th>
            <th>1</th>
          </tr>
          <tr>
            <th>1</th>
            <th>1</th>
            <th>1</th>
            <th>1</th>
            <th>1</th>
            <th>1</th>
          </tr>
          <tr>
            <th>1</th>
            <th>1</th>
            <th>1</th>
            <th>1</th>
            <th>1</th>
            <th>1</th>
          </tr>
          <tr>
            <th>1</th>
            <th>1</th>
            <th>1</th>
            <th>1</th>
            <th>1</th>
            <th>1</th>
          </tr>
          <tr>
            <th>1</th>
            <th>1</th>
            <th>1</th>
            <th>1</th>
            <th>1</th>
            <th>1</th>
          </tr>
      </tr>
      <tr>
        <th>1</th>
        <th>1</th>
        <th>1</th>
        <th>1</th>
        <th>1</th>
        <th>1</th>
      </tr>
      <tr>
        <th>1</th>
        <th>1</th>
        <th>1</th>
        <th>1</th>
        <th>1</th>
        <th>1</th>
      </tr>
  </table>
  <h4>1. 豆柴</h4>
  <p>豆柴包括鸡肉加蔓越莓配方，鸡蛋加蛋黄配方，多种选择。适用于全品种全阶段犬添加茶多酚，合理膳食，使用蛋黄，保存蛋黄营养。使用膳食纤维，有助于利尿通便肠道蠕动更顺畅，助于狗狗消化。改善狗狗身体佝偻，毛色暗淡，固齿口臭，便秘不消化等问题。</p>
  <h4></h4>
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  <h4></h4>
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  <h4></h4>
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  <h4></h4>
  <p></p>
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</body>
</html>